Slow reading from DVD drive

B

BobH

Since I recently re installed my OS, I have found that the Samsung
DVD/CD Reader/Writer has been very slow in reading and loading programs
from the disc.
I first noticed this when I was installing the motherboard drivers from
the manufacturers disc was quite slow compared to how it used to be.

The said drive is a SATA drive and connected to a SATA 3.0Gb/s connector
on the motherboard.

I was wondering if I connected the drive to a SATA 6.0GB/s it would be
faster but somehow I doubt it.

The drive is fairly new as I only bought it less than 6 weeks ago.
I used to have an IDE drive and found this to be reasonably quick.

Any ideas as to how to make it a bit faster.
 
K

Ken Blake

Since I recently re installed my OS, I have found that the Samsung
DVD/CD Reader/Writer has been very slow in reading and loading programs
from the disc.
I first noticed this when I was installing the motherboard drivers from
the manufacturers disc was quite slow compared to how it used to be.

If something is very slow compared to what it used to be, there's a
very good chance that you are infected with malware. What anti-virus
and anti-spyware programs do you run? Are they kept up to date?
 
B

BobH

If something is very slow compared to what it used to be, there's a
very good chance that you are infected with malware. What anti-virus
and anti-spyware programs do you run? Are they kept up to date?
Its been slow since I started to re install my OS and drivers for the
motherboard.
Then once I had done that I installed BitDefender Total Security 2013,
as well as Malwarebytes AntiMalware and Super Anti Spyware.

Oh, and I also have Multi-AV installed and I then scanned my system with
each of the said programs before I installed any other programs or software.

I know, well according the various anit virus/antimalware programs I
have used today, I know my system is clean as can be.
 
J

John Williamson

BobH said:
Its been slow since I started to re install my OS and drivers for the
motherboard.
Then once I had done that I installed BitDefender Total Security 2013,
as well as Malwarebytes AntiMalware and Super Anti Spyware.

Oh, and I also have Multi-AV installed and I then scanned my system with
each of the said programs before I installed any other programs or
software.

I know, well according the various anit virus/antimalware programs I
have used today, I know my system is clean as can be.
If all these have real time scanning enabled, that could be your
problem. They're all trying to scan every file on the DVD while it's
being read.
 
B

BobH

If all these have real time scanning enabled, that could be your
problem. They're all trying to scan every file on the DVD while it's
being read.
Yes Bit Defender does real time scanning, and I would agree that this
could be the problem apart from when I was loading drivers for the
motherboard before BitDefender was installed.
 
E

Ed Cryer

BobH said:
Since I recently re installed my OS, I have found that the Samsung
DVD/CD Reader/Writer has been very slow in reading and loading programs
from the disc.
I first noticed this when I was installing the motherboard drivers from
the manufacturers disc was quite slow compared to how it used to be.

The said drive is a SATA drive and connected to a SATA 3.0Gb/s connector
on the motherboard.

I was wondering if I connected the drive to a SATA 6.0GB/s it would be
faster but somehow I doubt it.

The drive is fairly new as I only bought it less than 6 weeks ago.
I used to have an IDE drive and found this to be reasonably quick.

Any ideas as to how to make it a bit faster.
Check the driver details in Device Manager. They should all show the
certificate of approval icon.
Check especially for GEAR drivers. They can cause this problem.

Ed
 
S

Stan Brown

If something is very slow compared to what it used to be, there's a
very good chance that you are infected with malware. What anti-virus
and anti-spyware programs do you run? Are they kept up to date?
I agree with Ken's comment, but I'll suggest also that the laser may
be going bad. I have a CD-DVD drive, as most people do. Access to a
data DVD is quite peppy, but access to a data CD is very slow, with a
lot of seeks before it finally opens the folder or displays the file.
There's one laser for the CD and one for the DVD, and I'm pretty sure
the problem is that the CD laser is going bad.

I would just replace the drive, but the screws are screwed in so
tightly that I can't loosen them. Thanks, Dell!
 
K

Ken Blake

I agree with Ken's comment, but I'll suggest also that the laser may
be going bad. I

Based on his subsequent message, your guess is more likely right than
mine.
 
B

BobH

Check the driver details in Device Manager. They should all show the
certificate of approval icon.
Check especially for GEAR drivers. They can cause this problem.

Ed
Ok, it has a GEARAspiWDM.sys driver version 2.02.03.00 as well as a
cdrom.sys driver version 6.1.7600.16385(win7_rtm.090713-1255)

Is the certificate of approval a small upside down U shaped dropping
below the actual rectangular shaped icon?
If it is then they both have the said certificate.
 
B

BobH

Based on his subsequent message, your guess is more likely right than
mine.
Things have improved now, as I did some searching and found that I
should have disabled write caching for my SSD drive, which I did
initially, but forgot to do a couple of things since the re install.

Earlier, when a program I use to catalogue my CDs/DVD's took something
like 1 hour 20 minutes to read all the data of about 4gb on a DVD, but
now it can be done in much less than 1 hour, say about 45 minutes.

So that seems to be about normal now for me.

Thanks for all the replies and suggestions
 
E

Ed Cryer

BobH said:
Ok, it has a GEARAspiWDM.sys driver version 2.02.03.00 as well as a
cdrom.sys driver version 6.1.7600.16385(win7_rtm.090713-1255)

Is the certificate of approval a small upside down U shaped dropping
below the actual rectangular shaped icon?
If it is then they both have the said certificate.
I have those two against my drive.
The GEAR one always puts me in mind of a tooth left under a pillow for
the Tooth Fairy.
But still, c'est la vie and Dieu et mon Droit! And, like on the milled
edge of a coin, Nemo Me Impune Lacessit.

Ed
 
P

Paul

BobH said:
Things have improved now, as I did some searching and found that I
should have disabled write caching for my SSD drive, which I did
initially, but forgot to do a couple of things since the re install.

Earlier, when a program I use to catalogue my CDs/DVD's took something
like 1 hour 20 minutes to read all the data of about 4gb on a DVD, but
now it can be done in much less than 1 hour, say about 45 minutes.

So that seems to be about normal now for me.

Thanks for all the replies and suggestions
There is actually a benchmark for optical drives.
It's a freebie.

The following picture, shows two versions of the program,
The current version is called Nero DiscSpeed.

http://img163.imageshack.us/img163/1669/cdbench.gif

You can get a copy of Nero DiscSpeed here.

http://www.nero.com/enu/downloads/index.php
(DiscSpeed - 29.5MB)

When I installed that in Windows 8, it insisted that I install
..NET 3.5. So the latest version is a bit of a pain, compared
to previous ones that didn't have quite as many dependencies.
(If you're prompted at runtime to "turn on Autoruns", just
say no, as I think that's so they can pop up advertising in
your face :) There is no reason for *anything* to Autorun in that
program. It is just a benchmark, not a home entertainment system.)

*******

The right hand vertical axis, is the speed in megabytes per second.
The disc reads from the hub (small diameter) to the outside edge
(big diameter), and in this case, the spindle spins at a relatively
constant speed. That's called CAV as far as I know. The data rate
increases because of the diameter of the media the head is over
at the moment. The read path is a spiral.

In my benchmark, the disc playback ends while it was transferring
at a bit more than 12MB/sec.

The reason those were photographed half finished, is the results get
blanked out if I let it run to completion. The seek tests appear
to be a total fabrication (because, for one thing, the drive doesn't
stay spinning at high speed, which invalidates the attempt to read).
But at least the sustained transfer curve has some value. The stuff in
the left column of numbers is trustworthy, while the right
column is less so. The seek time should be down around 100 milliseconds
or so.

My optical drive is connected via USB2 (30MB/sec max), and so slightly
more than 12MB/sec does not tax it.

When a storage device is connected to SATA or IDE, it can operate
in DMA mode or polled (PIO) mode. PIO, since it's done by the CPU,
can be quite slow. Windows will "gear down" to PIO mode, if
excessive errors are seen on the cabling. The theory goes, that
slowing the transfer, will somehow improve the error rate, which
is why they did it.

If you see a curve, chances are all is well. If you see a "flat line",
and it's significantly slower, it could be the drive is not in the
right mode for best results.

Notice there are very few "spikes" in my graphs, implying the error
rate isn't too bad. Errors are definitely present, but they're not
an issue until they're in the "thousands" rather than in the "tens"
of errors. Once you get to the "thousands of errors" level, things
start to slow down, or you see a downward speed spike in the scan.

The access time (head movement) on optical discs is quite slow. The CD drive
can move its head around (for random file access), in about 70% of the
time that it takes a DVD or BluRay drive. It's one reason to continue
to try to install software from an actual CD drive. Random access will
cause the effective transfer rate to slow to a crawl. A person
designing an installer CD, the idea is, they're supposed to arrange the
files for smooth continuous transfer, rather than make the head jump all
over the place. So if it seems slow, that's another reason - less than
optimal file size and placement.

Post a link to a picture of your benchmark run, for comments.

Paul
 
P

Paul

Ed said:
I have those two against my drive.
The GEAR one always puts me in mind of a tooth left under a pillow for
the Tooth Fairy.
But still, c'est la vie and Dieu et mon Droit! And, like on the milled
edge of a coin, Nemo Me Impune Lacessit.

Ed
GEAR is put there by iTunes (GEAR can come from other packages, but
iTunes would be a popular source of it). Since Windows 7 has built-in
support for burning media, strictly speaking the iTunes installer should
stop using the GEAR software product. If iTunes needs a CD or DVD burned,
there is an API in Windows 7 for that. On WinXP, there is an optional download,
to give you imapi2 support for discs. GEAR is definitely useful on older
setups.

http://en.wikipedia.org/wiki/Image_Mastering_API

(as an add-in for WinXP)

http://support.microsoft.com/kb/KB932716

Optical disc burner software, likes to install Upperfilter drivers,
and this can cause functional problems. But it should not manifest
as a speed problem. You can fix this kind of thing with Regedit, but
the Fixit is a bit safer. Occasionally, an eager beaver user will
use Regedit, to delete every UpperFilter they can find, which
causes their keyboard to stop working :) The Fixit has a rather
limited diet of UpperFilters, just grabbing a specific one.

http://support.microsoft.com/mats/cd_dvd_drive_problems/en-us

http://blogs.technet.com/b/fixit4me/archive/2009/03/18/delete-lower-upper-filters-for-cd-devices-fix-it-live.aspx

Paul
 

Ask a Question

Want to reply to this thread or ask your own question?

You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.

Ask a Question

Top